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src/content/blog/DecouplingElixirGenServers.md
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@ -64,6 +64,7 @@ firmware.door_server -> hardware: lock {style.animated: true}
firmware.lights -> hardware: set_lights_red {style.animated: true}
firmware.notifications -> third_party_notifications_service: send_notification {style.animated: true}
```
</div>
In this post we will focus on the firmware layer, more specifically in the Door server, its implementation and tests.
@ -442,9 +443,11 @@ We've also seen how tests become simpler due to the fact that each test suite be
There are some drawbacks though:
- Debugging becomes harder.
- You are introducing an extra of asynchronous broadcast messaging and therefore your elixir processes become harder to debug.
- Event delivery is not ensured.
- If a subscriber goes down, Phoenix PubSub won't try to re-deliver lost events once the process restarts.
- Depending on your situation you might want to implement a more complex pub-sub system that does its best to ensure event delivery.